Home / 748,540.78-1,031,910.71-533,307.17

Finding the Fourth Proportional to 748,540.78, 1,031,910.71 and 533,307.17

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Solution

The fourth proportional to 748,540.78, 1,031,910.71 and 533,307.17 is: 735,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,540.78 : 1,031,910.71 = 533,307.17 : x
  2. Step 2: Convert to fraction form
    748,540.78/1,031,910.71 = 533,307.17/x
  3. Step 3: Cross multiply
    748,540.78x = 1,031,910.71 × 533,307.17
  4. Step 4: Simplify right side
    748,540.78x = 550,325,380,356.03
  5. Step 5: Solve for x
    x = 550,325,380,356.03/748,540.78
  6. Step 6: Final answer
    x = 735,197.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.